<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
  <form action="http://localhost:8080" method="post">
    用户名: <input type="text" name="username" id=""><br> 密码: <input type="password" name="pwd" id=""><br>
    <input type="submit" value="提交">
  </form>
</body>

</html>
